Oppanol B15 Polyisobutylene Resin from Mexico
Oppanol B15 is a high molecular weight polyisobutylene resin serving as an adhesive tackifier and chewing gum base component. It qualifies for HTS 3902.20.5000 as 'Other' polyisobutylene with ≥95% isobutylene monomer content in primary slab or pellet form. This thermoplastic polymer is essential for pressure-sensitive adhesives.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Submit GPC analysis confirming molecular weight distribution; ensure no vulcanizing agents present to stay in primary forms; declare exact purity to prevent audit reclassifications